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IEEE TAS
We have observed that the change in 2Δ/kTc from its BCS value of 3.5 is exponentially related to Tc/τD. © 1970.
R.B. Laibowitz, J.Z. Sun, et al.
IEEE TAS
P.E. Seiden
Physics Letters A
P. Nédellec, J. Lesueur, et al.
Journal of The Less-Common Metals
P.E. Seiden
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